CSIR NET JRF: Revision Terminology Part 16
Download PDF of This Page (Size: 259K) ↧
-
Monomer chromatin Nu – bodies = nucleosomes = V-Bodies.
-
Heterochromatin – near nuclear envelope. Tightly coiled.
-
Euchromatin – cortex of nuclear loosely coiled.
-
r-RNA produced in nucleolus (joined together by nucleonema)
-
Nucleoid – absence of histone protein, no DNA – histone complex exits but due to high concentration of the polyamine. It neutralizes the anionic of each nucleotide (inter) phosphate of DNA.
-
Endoplasmic reticulum R – 2 Specific glycoprotein called ribophorins are present In ER membrane.
-
ER – Fragmented into small vesicles = microsomes
-
SER – Cholesterol, Ca2+ from cytosol to permit relaxation of myofibrils following centralizer
-
Major phospholipid in ER = lecithin (phosphotidycholine)
-
Liver – RER + SER – detoxification of antigens.
-
RER + SER – develop at telophase stage of cell division
-
Small ribosome free region of RER = transitional ER.
-
Golgi bodies = Lipochondrion = Dalton complex = Idiosome = Baker’s Body = Dictyosome
-
Golgi bodies secretory & absorptive bet nucleus & cell surface in never cell surrounds nucleus.
-
“Principle director of macromolecular traffic in the cell”.
-
Cis-face – new cristae
-
Trans-face – maturing – secretory nucleus
-
In prokaryotes – Lysosomes are absent
-
Lipid + Carbohydrate Glycolipids
-
Lysosome –pH = 5.0
-
Genetic disease – absence of singe Lysosomes hydrolase – Hurler’s disease – bones are deformed due to accumulation of glucosamine glycan (absence of – Liduroidase engineering)
Types of Lysosome and Peroxisome
Understanding different types of lysosome and peroxisomes
-
Peroxisome – Photo respiration -> Glycolic acid Oxidase
-
Lomasomes – between cell wall & plasma lemma in fungal cells.
-
Glyoxysomes – glycol ate Cycle (isocitrate lyase & malate Synthase) – they Contain catalase & H2O2 generating glycolic endosperm & cotyledons.
-
Spherosomes – Fat storing endosperm & Cotyledons.
-
Ribosomes are lesser in less active cell & more in high active cells.
Types of Ribosomes
Understanding different types of ribosomes
-
Mitochondria outer membrane sessile part = subunits of parson.
-
Mitochondria inner membrane – Flovoprotein, Succinic dehydrogenase, Cyt b, C, C1, a,a3.
-
Cells of Germinating seeds – show much larger number of mitochondria.
-
Engineering DNA polymerase in found in matrix- it shows that mitochondrial DNA is independently synthesis in mitochondria
-
ATPase participates in final step of Oxidative phosphorylation.
-
Chloroplast outer member is C4 Plants – grana are absent.
-
Chl. a – CH3 group – all photosynthetic organism (except bacteria).
-
Chl. b – CH0 group – higher plant, green algae
-
Chl. c – brown algae
-
Chl. d – red algae –
-
Chl. e – yellow green algae – phaxanthin
-
Chloroplast are extremely fragile osmotically, so intact chloroplast are isolated from green leaves using sugar solution.
-
Crystalloid – Contain N2 as amide (asparagine + glutamine).
-
Globoid – double phosphate of Ca & Mg
-
canada Balsam – permanent microscopic slide = oleoresin.
-
If both generic names & specific names are same – Tautoyms.
-
Holotype – one specimen designated by author as nomenclatural type.
-
Isotype - duplicate of holotype – another specimen collected at same tines
-
Lectotype – Specimen from the original to serve the nomenclatural type when no holotype was designated at time of publication/ missing
-
Meotype – Specimen Selected to serve as nomenclatural type as long as all the material of which the name of taxon was base is missing.
-
Organism Belonging to same taxa are believed to have same ancestor – as family tree cladogram
-
A family tree based on phonetic classification = Dendrogram
-
Monera came 1st from which evolved eukaryotic Protista
-
Division SubdivisionClassSuborderfamily tribe genus species varietyform
-
Binomial nomenclature – Gaspard Bauhin.
-
Protista = unicellular eukaryotes.